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When I ran them, I ran them stock everything, I used traxxas connectors. The batteries did not really like prop changes, make sure you watch the temps, I made the mistake of running the batteries to low damaging them, the only reason my esc blew is because I hooked something up wrong. I did the motor to 4mm connectors. The 45 amp handles up to 21 v.
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In that case it stands to reason that the 60 amp ESC should be able to handle the voltage. I'm not sure though, the 45 amp ESC is rated to 21 volts whereas the 60 is rated to only 14.8. If I convert that into terms of power, the 45 amp is putting out 954 watts at 21 volts, the 60 puts out 888 with 4s of Lipo power, and over 1000 watts with 16.8 volts of NiMH (at least in theory), which is effectively 12% over the rated limit. I'd like to think ProBoat is using a safety factor in excess of .12, but I'm not sure it's a good idea.
I've been keeping the runs short to check temps thusfar and that won't change with any battery I put in. I'm not sure if I'll put the 8.4s in, I really want to, and it is tempting, but also risky. I'd hate to lose the boat for the long vacation the family has planned, all of it in/around water.Last edited by nickB722; 06-26-2012, 02:10 AM.Comment
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i wouldnt chance trying the 8.4's either.if Proboat says not to,then dont.use what you have and enjoy yourself.but i'd look into the LIFE batteries,from what ive read and heard,they are a great bang for the buck.you will need a charger that has the LIFE battery option on it for charging though.Comment
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It's an option I will be looking at for sure, but the lower voltage is certainly a potential turn off even with the longer run times. Might be a good idea with the M445 prop though, as the higher speed the prop gives may be offset by the lower voltage (but longer runtime).Comment
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